現在市場基本有(you)兩種(zhong)包裝(zhuang)(zhuang)(zhuang)形式(shi),一種(zhong)為普通的包裝(zhuang)(zhuang)(zhuang),利用(yong)(yong)(yong)聚丙稀塑料編織(zhi)袋對(dui)大米(mi)(mi)(mi)(mi)進行(xing)包裝(zhuang)(zhuang)(zhuang),包裝(zhuang)(zhuang)(zhuang)過程中不(bu)施加任何的保鮮(xian)技術(shu),這種(zhong)包裝(zhuang)(zhuang)(zhuang)對(dui)于大米(mi)(mi)(mi)(mi)的防蟲及防霉等方面的效果差。還(huan)有(you)一種(zhong)是用(yong)(yong)(yong)真(zhen)空(kong)(kong)(kong)包裝(zhuang)(zhuang)(zhuang)技術(shu)對(dui)包裝(zhuang)(zhuang)(zhuang)袋進行(xing)抽真(zhen)空(kong)(kong)(kong),真(zhen)空(kong)(kong)(kong)鈄技術(shu)對(dui)大米(mi)(mi)(mi)(mi)的儲存有(you)較好(hao)的保鮮(xian)作用(yong)(yong)(yong),但用(yong)(yong)(yong)于大米(mi)(mi)(mi)(mi)自身的形狀(zhuang)及真(zhen)空(kong)(kong)(kong)度的選擇并(bing)不(bu)合(he)適,目前(qian)大米(mi)(mi)(mi)(mi)真(zhen)空(kong)(kong)(kong)包裝(zhuang)(zhuang)(zhuang)選用(yong)(yong)(yong)的真(zhen)空(kong)(kong)(kong)度一般在-0.07~-0.09kPa之間,只要真(zhen)空(kong)(kong)(kong)度在范(fan)圍內(nei),所出廠的就是合(he)格產品。
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